From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Gregory Heytings Newsgroups: gmane.emacs.devel Subject: Re: Unicode confusables and reordering characters considered harmful Date: Wed, 03 Nov 2021 14:29:21 +0000 Message-ID: <11d5fecb442f6eb9e9e3@heytings.org> References: <875ytag0hb.fsf@yahoo.com> <87zgqmd5np.fsf@mat.ucm.es> <83wnlqk3rn.fsf@gnu.org> <72dd5c2a-42c7-b12e-05ed-e93adbd89727@gmail.com> <83ilxajyhw.fsf@gnu.org> <83fssejxf8.fsf@gnu.org> <835ytajsv2.fsf@gnu.org> <11d5fecb44af1d388b7f@heytings.org> <11d5fecb449846dc0851@heytings.org> <837ddpicbb.fsf@gnu.org> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="RANpkjpTsa" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1348"; mail-complaints-to="usenet@ciao.gmane.io" Cc: cpitclaudel@gmail.com, Stefan Kangas , monnier@iro.umontreal.ca, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Wed Nov 03 15:30:54 2021 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1miHHx-00007E-SO for ged-emacs-devel@m.gmane-mx.org; Wed, 03 Nov 2021 15:30:54 +0100 Original-Received: from localhost ([::1]:58812 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1miHHw-00051F-G3 for ged-emacs-devel@m.gmane-mx.org; Wed, 03 Nov 2021 10:30:52 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:54990) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1miHGY-0003Ni-O4 for emacs-devel@gnu.org; Wed, 03 Nov 2021 10:29:26 -0400 Original-Received: from heytings.org ([95.142.160.155]:51182) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1miHGV-0003Wg-NZ; Wed, 03 Nov 2021 10:29:26 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=heytings.org; s=20210101; t=1635949761; bh=QkARzwwnEWKz+63LpefoaWQRhmj3RBBBxcvcHXZJMns=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:From; b=vQl4T5sSOsL3uP9KaqDrp7rfM3hkLs45+l6SJp9bcbE6A4ffGpVufVF8t9jNzS4TE LntAPi0qAijNoZLlynoJy0wN7m5kJ/glk3l7/16q7gU9waw6OWNwVEKut6qmQigMBg SI4yK81k3TOKtxRuTsNRk6eeA89SYWTqB/VcaiCOWagZkT5E0tz51juh65NvF0E21L Z0d9hL8oA/EDNNCE1PP14/Zxft1ih4Q8caAXORZzd3FbMjyfzhzyVOtLhTvQL+1veS xlSAkv/shGmINFOrsW9Uf/CX6W5zKBe3zb22TA92iuEzGtEWf02SdI6rZkyl+krmDQ JfpBUFEoRIhwQ== In-Reply-To: <837ddpicbb.fsf@gnu.org> Received-SPF: pass client-ip=95.142.160.155; envelope-from=gregory@heytings.org; helo=heytings.org X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:278582 Archived-At: --RANpkjpTsa Content-Type: text/plain; format=flowed; charset=us-ascii >> Will your proposal make it harder to type in such languages? > > Yes, in some cases. > I don't see why they would become harder to type in in any way. The directionality characters would be highlighted, that's all (and it would be easy to add a toggle command to (un)highlight them on demand, see attached). This functionality is orthogonal to the one you propose AFAIU, both could coexist. --RANpkjpTsa Content-Type: text/x-diff; name=Make-bidi-reordering-characters-visible.patch Content-Transfer-Encoding: base64 Content-ID: <11d5fecb446c70f8e133@heytings.org> Content-Description: Content-Disposition: attachment; filename=Make-bidi-reordering-characters-visible.patch RnJvbSBjYzFjY2MwY2RkZjZkMzdkZjQ3MzEyMWMyNWQ3ZDE2OTJjMjA1Y2Fl IE1vbiBTZXAgMTcgMDA6MDA6MDAgMjAwMQ0KRnJvbTogR3JlZ29yeSBIZXl0 aW5ncyA8Z3JlZ29yeUBoZXl0aW5ncy5vcmc+DQpEYXRlOiBXZWQsIDMgTm92 IDIwMjEgMTQ6MjU6NDYgKzAwMDANClN1YmplY3Q6IFtQQVRDSF0gTWFrZSBi aWRpIHJlb3JkZXJpbmcgY2hhcmFjdGVycyB2aXNpYmxlDQoNCiogbGlzcC9w cm9nbW9kZXMvcHJvZy1tb2RlLmVsIChiaWRpLXJlb3JkZXJpbmctY2hhcmFj dGVycy12aXNpYmxlLA0KYmlkaS1yZW9yZGVyaW5nLWNoYXJhY3RlcnMtZm9u dGlmeSwNCmJpZGktcmVvcmRlcmluZy1jaGFyYWN0ZXJzLXRvZ2dsZS12aXNp YmlsaXR5KTogTmV3IGZ1bmN0aW9ucy4NCi0tLQ0KIGxpc3AvcHJvZ21vZGVz L3Byb2ctbW9kZS5lbCB8IDQxICsrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKy0NCiAxIGZpbGUgY2hhbmdlZCwgNDAgaW5zZXJ0aW9ucygr KSwgMSBkZWxldGlvbigtKQ0KDQpkaWZmIC0tZ2l0IGEvbGlzcC9wcm9nbW9k ZXMvcHJvZy1tb2RlLmVsIGIvbGlzcC9wcm9nbW9kZXMvcHJvZy1tb2RlLmVs DQppbmRleCBkYjM1MGE1ZjcwLi4wYWM1YjUzZjcyIDEwMDY0NA0KLS0tIGEv bGlzcC9wcm9nbW9kZXMvcHJvZy1tb2RlLmVsDQorKysgYi9saXNwL3Byb2dt b2Rlcy9wcm9nLW1vZGUuZWwNCkBAIC0yODksNiArMjg5LDQ0IEBAIHR1cm4t b24tcHJldHRpZnktc3ltYm9scy1tb2RlDQogICAgICAgICAgICAgIChsb2Nh bC12YXJpYWJsZS1wICdwcmV0dGlmeS1zeW1ib2xzLWFsaXN0KSkNCiAgICAg KHByZXR0aWZ5LXN5bWJvbHMtbW9kZSAxKSkpDQogDQorKGRlZnZhci1sb2Nh bCBiaWRpLXJlb3JkZXJpbmctY2hhcmFjdGVycy12aXNpYmxlIG5pbCkNCisN CisoZGVmdW4gYmlkaS1yZW9yZGVyaW5nLWNoYXJhY3RlcnMtZm9udGlmeSAo KQ0KKyAgKGZvbnQtbG9jay1hZGQta2V5d29yZHMgbmlsICcoKCLigalcXHzi gKxcXHzigahcXHzigadcXHzigaZcXHzigKtcXHzigKpcXHzigK5cXHzigK0i IC4gJ2ZvbnQtbG9jay13YXJuaW5nLWZhY2UpKSkpDQorDQorKGRlZnVuIGJp ZGktcmVvcmRlcmluZy1jaGFyYWN0ZXJzLXZpc2libGUgKCkNCisgIChzZXRx IGJ1ZmZlci1kaXNwbGF5LXRhYmxlIChvciBidWZmZXItZGlzcGxheS10YWJs ZQ0KKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIHN0YW5kYXJk LWRpc3BsYXktdGFibGUNCisgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAobWFrZS1kaXNwbGF5LXRhYmxlKSkpDQorICAoYmlkaS1yZW9yZGVy aW5nLWNoYXJhY3Rlci10b2dnbGUtdmlzaWJpbGl0eSkNCisgIChhZGQtaG9v ayAnZm9udC1sb2NrLW1vZGUtaG9vayAjJ2JpZGktcmVvcmRlcmluZy1jaGFy YWN0ZXJzLWZvbnRpZnkpKQ0KKw0KKzs7OyMjI2F1dG9sb2FkDQorKGRlZnVu IGJpZGktcmVvcmRlcmluZy1jaGFyYWN0ZXItdG9nZ2xlLXZpc2liaWxpdHkg KCkNCisgIChpbnRlcmFjdGl2ZSkNCisgIChzZXRxIGJpZGktcmVvcmRlcmlu Zy1jaGFyYWN0ZXJzLXZpc2libGUNCisgICAgICAgIChub3QgYmlkaS1yZW9y ZGVyaW5nLWNoYXJhY3RlcnMtdmlzaWJsZSkpDQorICAod2hlbiBiaWRpLXJl b3JkZXJpbmctY2hhcmFjdGVycy12aXNpYmxlDQorICAgIChhc2V0IGJ1ZmZl ci1kaXNwbGF5LXRhYmxlID/igKogWz/ihpJdKQ0KKyAgICAoYXNldCBidWZm ZXItZGlzcGxheS10YWJsZSA/4oCrIFs/4oaQXSkNCisgICAgKGFzZXQgYnVm ZmVyLWRpc3BsYXktdGFibGUgP+KArSBbP+KGkl0pDQorICAgIChhc2V0IGJ1 ZmZlci1kaXNwbGF5LXRhYmxlID/igK4gWz/ihpBdKQ0KKyAgICAoYXNldCBi dWZmZXItZGlzcGxheS10YWJsZSA/4oGmIFs/4oaSXSkNCisgICAgKGFzZXQg YnVmZmVyLWRpc3BsYXktdGFibGUgP+KBpyBbP+KGkF0pDQorICAgIChhc2V0 IGJ1ZmZlci1kaXNwbGF5LXRhYmxlID/igaggWz/ihpNdKQ0KKyAgICAoYXNl dCBidWZmZXItZGlzcGxheS10YWJsZSA/4oCsIFs/4oaRXSkNCisgICAgKGFz ZXQgYnVmZmVyLWRpc3BsYXktdGFibGUgP+KBqSBbP+KGkV0pKQ0KKyAgKHVu bGVzcyBiaWRpLXJlb3JkZXJpbmctY2hhcmFjdGVycy12aXNpYmxlDQorICAg IChhc2V0IGJ1ZmZlci1kaXNwbGF5LXRhYmxlID/igKogbmlsKQ0KKyAgICAo YXNldCBidWZmZXItZGlzcGxheS10YWJsZSA/4oCrIG5pbCkNCisgICAgKGFz ZXQgYnVmZmVyLWRpc3BsYXktdGFibGUgP+KArSBuaWwpDQorICAgIChhc2V0 IGJ1ZmZlci1kaXNwbGF5LXRhYmxlID/igK4gbmlsKQ0KKyAgICAoYXNldCBi dWZmZXItZGlzcGxheS10YWJsZSA/4oGmIG5pbCkNCisgICAgKGFzZXQgYnVm ZmVyLWRpc3BsYXktdGFibGUgP+KBpyBuaWwpDQorICAgIChhc2V0IGJ1ZmZl ci1kaXNwbGF5LXRhYmxlID/igaggbmlsKQ0KKyAgICAoYXNldCBidWZmZXIt ZGlzcGxheS10YWJsZSA/4oCsIG5pbCkNCisgICAgKGFzZXQgYnVmZmVyLWRp c3BsYXktdGFibGUgP+KBqSBuaWwpKSkNCisNCiA7OzsjIyNhdXRvbG9hZA0K IChkZWZpbmUtZ2xvYmFsaXplZC1taW5vci1tb2RlIGdsb2JhbC1wcmV0dGlm eS1zeW1ib2xzLW1vZGUNCiAgIHByZXR0aWZ5LXN5bWJvbHMtbW9kZSB0dXJu LW9uLXByZXR0aWZ5LXN5bWJvbHMtbW9kZSkNCkBAIC0zMDAsNyArMzM4LDgg QEAgcHJvZy1tb2RlDQogICAoc2V0cS1sb2NhbCBwYXJzZS1zZXhwLWlnbm9y ZS1jb21tZW50cyB0KQ0KICAgKGFkZC1ob29rICdjb250ZXh0LW1lbnUtZnVu Y3Rpb25zICdwcm9nLWNvbnRleHQtbWVudSAxMCB0KQ0KICAgOzsgQW55IHBy b2dyYW1taW5nIGxhbmd1YWdlIGlzIGFsd2F5cyB3cml0dGVuIGxlZnQgdG8g cmlnaHQuDQotICAoc2V0cSBiaWRpLXBhcmFncmFwaC1kaXJlY3Rpb24gJ2xl ZnQtdG8tcmlnaHQpKQ0KKyAgKHNldHEgYmlkaS1wYXJhZ3JhcGgtZGlyZWN0 aW9uICdsZWZ0LXRvLXJpZ2h0KQ0KKyAgKGJpZGktcmVvcmRlcmluZy1jaGFy YWN0ZXJzLXZpc2libGUpKQ0KIA0KIChwcm92aWRlICdwcm9nLW1vZGUpDQog DQotLSANCjIuMzMuMA0KDQo= --RANpkjpTsa--